CN101733363A - Cylinder block casting device and method - Google Patents
Cylinder block casting device and method Download PDFInfo
- Publication number
- CN101733363A CN101733363A CN200810073916A CN200810073916A CN101733363A CN 101733363 A CN101733363 A CN 101733363A CN 200810073916 A CN200810073916 A CN 200810073916A CN 200810073916 A CN200810073916 A CN 200810073916A CN 101733363 A CN101733363 A CN 101733363A
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- cylinder block
- casting
- block casting
- ingate
- sprue
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- 238000005266 casting Methods 0.000 title claims abstract description 184
- 238000000034 method Methods 0.000 title claims abstract description 21
- 239000007788 liquid Substances 0.000 claims abstract description 19
- 239000004576 sand Substances 0.000 claims description 4
- 239000002893 slag Substances 0.000 abstract description 11
- 230000000694 effects Effects 0.000 abstract description 6
- 230000007547 defect Effects 0.000 abstract 1
- 230000002950 deficient Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
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- Cylinder Crankcases Of Internal Combustion Engines (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
The invention discloses a cylinder block casting device and a method, wherein the device comprises a cylinder block casting mold and a cylinder block casting; the cylinder block casting consists of a pouring gate, a sorue, a cross gate, an ingate and a cavity; and the cylinder block casting is horizontally arranged on the cylinder block casting mold when the cylinder top surface of the cylinder block faces downwards and the machine leg surface of the cylinder block faces upwards. The method comprises the following steps: by using the above cylinder block casting device, the casting liquid is injected into the cylinder block casting device from the pouring gate of the cylinder casting, flows through the sorue, the cross gate and the ingate in sequence and flows in the cavity of the cylinder block casting to complete the casting of the cylinder block. The device and the method in the invention can overcome the defects of poor effects of exhaust and slag dam, low casting yield, easily-damaged bland, uneven wall thickness and the like so as to realize the purposes of good effects of exhaust and slag dam, high casting yield, difficult damaged blank, even wall thickness and high product quality.
Description
Technical field
The present invention relates to the foundry engieering in the mechanical field, particularly, relate to a kind of cylinder block casting device and method.
Background technology
At present, in the technology of casting cylinder block, the casting mode of cylinder block is generally horizontal, that is, shown in Fig. 1 a and Fig. 1 b, the left surface of cylinder block makes progress, the prone pouring type in right side.
The inventor finds that there is following defective at least in cylinder block casting technology in the above-mentioned prior art in realizing process of the present invention:
(1) exhaust, pushing off the slag weak effect;
(2) yield rate is low: it is bigger that pouring and riser systems accounts for the blank part by weight, and product yield is low;
(3) blank is fragile: cylinder block blank weak part easily shatters during knockout;
(4) wall unevenness is even: cylinder block casing wall evenness of wall thickness is poor.
Summary of the invention
The objective of the invention is at exhaust in the prior art, pushing off the slag weak effect, yield rate is low, blank is fragile, and the even defective of wall unevenness, a kind of cylinder block casting device is proposed, effective to realize exhaust, pushing off the slag, yield rate height, blank are not fragile, wall thickness is even, and the product quality height.
Another object of the present invention is at exhaust in the prior art, pushing off the slag weak effect, yield rate is low, blank is fragile, and the even defective of wall unevenness, a kind of cylinder block casting method is proposed, effective to realize exhaust, pushing off the slag, yield rate height, blank are not fragile, wall thickness is even, and the product quality height.
For achieving the above object, according to an aspect of the present invention, a kind of cylinder block casting device is provided, comprise cylinder block casting mold and cylinder block casting, described cylinder block casting comprises casting gate, sprue, cross gate, ingate and die cavity, and the cylinder block cylinder end face of described cylinder block casting down, the cylinder block under-chassis faces up and lie in a horizontal plane in the described cylinder block casting mold.
Preferably, described casting gate is located on the described sprue, described sprue vertically is located at the top of described cylinder block under-chassis face, and described cross gate level is located between described sprue and the described ingate, and described ingate vertically is located between described cross gate and the described cylinder block under-chassis face.
Preferably, described sprue communicates with described cross gate is vertical.
Preferably, described cross gate communicates with described ingate is vertical.
Preferably, described ingate and vertical the communicating of described cylinder block under-chassis face.
Preferably, the quantity of described sprue is one, and the quantity of described cross gate is two, and the quantity of described ingate is ten; Wherein, described two cross gates are parallel to each other; Described ten ingates are parallel to each other, and are divided into two groups and are located at respectively between described two cross gates and the described cylinder block under-chassis face.
Preferably, the external structure of described cylinder block casting and inner die cavity form by the core group, and described core group is by the locking of lock core screw rod and be arranged in described cylinder block casting mold.
State purpose for realizing another, according to another aspect of the present invention, a kind of cylinder block casting method is provided, use above-mentioned cylinder block casting device, the casting gate of liquid from cylinder block casting injects described cylinder block casting device with casting, casting liquid flow through successively sprue, cross gate and ingate flow into the die cavity of cylinder block casting again, finish the casting of cylinder block.
Preferably, before the casting, the core group that constitutes described cylinder block casting is set earlier, with the lock core screw rod described core group is locked again, then described core group is placed in the described cylinder block casting mold; Wherein, the cylinder hole core of described cylinder block casting vertically is provided with, and described cylinder block casting mold is made by green-sand.
Preferably, the cylinder block cylinder end face of described cylinder block casting down, the cylinder block under-chassis faces up and be placed in the described cylinder block casting mold.
The cylinder block casting device of various embodiments of the present invention and method, in the cylinder block casting mold, the cylinder block under-chassis faces up, cylinder block cylinder end face lies in a horizontal plane in the cylinder block casting mold down; And the casting gate of cylinder block casting, sprue, cross gate and ingate all are located at the top of cylinder block under-chassis face, and sprue communicates with cross gate is vertical, and cross gate communicates with ingate is vertical, ingate and vertical the communicating of cylinder block under-chassis face; Based on aforementioned cylinder block casting device,, the vertical casting method of a kind of cylinder block is proposed again at the deficiencies in the prior art, before the casting, form cylinder block casting with the core group earlier, with lock core screw rod locking core group, the core group is placed in the described cylinder block casting mold then again; During casting, the liquid of will casting injects cylinder block casting device by casting gate, flow through successively sprue and cross gate, and ten ingates on cylinder block under-chassis face flow into the die cavity of cylinder block castings respectively again, finish the casting of cylinder block.Wherein, cross gate is the constituent element of cross-sectional area maximum in the cylinder block casting.This vertical casting process of the present invention compared with prior art, has the following advantages:
Compared with prior art, the advantage of this vertical casting process of the present invention is:
(1) exhaust, pushing off the slag are effective: ingate is positioned at the top of cylinder block under-chassis face, and during casting, the liquid level of casting liquid is active, is beneficial to exhaust, can prevent the foreign material come-up again and adheres on the wall of die cavity or core;
(2) yield rate height: the distance that casting liquid is flowed through in pouring device is short, can improve yield rate relatively;
(3) blank is not fragile: the cylinder block cylinder end face of cylinder block casting down, the cylinder block under-chassis faces up and lie in a horizontal plane in the cylinder block casting mold, and during the casting mold knockout, the weak part of jarring foundry goods has been avoided at horizontal plane in main jarring position;
(4) wall thickness is even: the cylinder hole core of cylinder block casting vertically is provided with, and avoided cylinder hole core at the high temperature buoyancy float downward of liquid (for example molten iron) of casting, thereby the casing wall thickness that can guarantee cylinder block is even;
(5) product quality height: during casting, casting liquid flow through successively sprue, cross gate and ingate are entered the die cavity of cylinder block casting again by ingate, can form directional solidification from bottom to top, have good feeding capacity, help obtaining the foundry goods of dense structure.
Other features and advantages of the present invention will be set forth in the following description, and, partly from specification, become apparent, perhaps understand by implementing the present invention.Purpose of the present invention and other advantages can realize and obtain by specifically noted structure in the specification of being write, claims and accompanying drawing.
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
Description of drawings
Accompanying drawing is used to provide further understanding of the present invention, and constitutes the part of specification, is used from explanation the present invention with embodiments of the invention one, is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 a is the perspective view of the horizontal pouring device of cylinder block in the prior art;
Fig. 1 b is the side structure schematic diagram of the horizontal pouring device of cylinder block in the prior art;
Fig. 2 is for the cylinder block under-chassis of cylinder block casting device and method according to the present invention faces up, the perspective view when the cylinder end face is placed down;
Fig. 3 is the core assembling perspective view of cylinder block casting device and method according to the present invention;
Fig. 4 is for the cylinder block under-chassis of cylinder block casting device and method according to the present invention faces down, the perspective view when the cylinder end face is placed up;
Fig. 5 is the schematic flow sheet of cylinder block casting device and method according to the present invention.
In conjunction with the accompanying drawings, Reference numeral is as follows in the embodiment of the invention:
1-cylinder block under-chassis face; The 2-sprue; The 3-cross gate; The 4-ingate; 5-cylinder block cylinder end face; 6-cylinder block right flank.
The specific embodiment
Below in conjunction with accompanying drawing the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein only is used for description and interpretation the present invention, and be not used in qualification the present invention.
According to the embodiment of the invention, provide a kind of cylinder block casting device.As Fig. 2-shown in Figure 4, present embodiment comprises: the gentle cylinder body casting mold of cylinder block casting, and cylinder block casting is arranged in the cylinder block casting mold; In the cylinder block casting mold, the cylinder block cylinder end face 5 of cylinder block casting down, cylinder block under-chassis face 1 lies in a horizontal plane in the cylinder block casting mold up.
Cylinder block casting comprises casting gate, sprue 2, cross gate 3, ingate 4 and die cavity, and wherein, casting gate, sprue 2, cross gate 3 and ingate 4 all are positioned at the top of cylinder block under-chassis face 1, and die cavity is positioned at the below of cylinder block under-chassis face 1.Particularly, casting gate is located on the sprue 2, and sprue 2 vertically is provided with, and cross gate 3 levels are located between sprue 2 and the ingate 4, and ingate 4 vertically is located between cross gate 3 and the cylinder block under-chassis face 1.
Wherein, sprue 2 and cross gate 3 vertical communicating, cross gate 3 and ingate 4 vertical communicating, ingate 4 and cylinder block under-chassis face 1 vertical communicating.
In the present embodiment, the quantity of sprue 2 can be one, and the quantity of cross gate 3 can be two, and the quantity of ingate 4 can be ten; Wherein, two cross gates 3 are parallel to each other, and ten ingates 4 are parallel to each other, and per five one group, be divided into two groups and evenly be located at respectively between two cross gates 3 and the cylinder block under-chassis face 1.
In the present embodiment, the external structure of cylinder block casting and inner die cavity form by the core group.Particularly, form the core group of cylinder block casting earlier with core, with lock core screw rod locking core group, then the core group is placed in the cylinder block casting mold again, form cylinder block casting device.Wherein, the cylinder hole core of cylinder block casting vertically is provided with.
In the present embodiment, the cylinder block casting mold can be made by green-sand.
In the present embodiment, the structural representation of the cylinder block right flank 6 of cylinder block casting can be referring to the side structure schematic diagram of the horizontal pouring device of cylinder block in the prior art shown in Fig. 1 b.
The cylinder block casting device of present embodiment, with the cylinder block under-chassis of cylinder block casting face up, cylinder block cylinder end face lies in a horizontal plane in the cylinder block casting mold down; The casting gate of cylinder block casting, sprue, cross gate and ingate all are located at the top of cylinder block under-chassis face, sprue, cross gate, ingate, communicate with cylinder block under-chassis face is vertical mutually, in the cylinder block casting process, ingate is positioned at the top of cylinder block under-chassis face, helps exhaust, pushing off the slag; The distance that casting liquid is flowed through in pouring device is shorter, can improve yield rate; During the casting mold knockout, the weak part of jarring foundry goods can be avoided at horizontal plane in main jarring position, and blank is not fragile; The cylinder hole core of cylinder block casting vertically is provided with, and can guarantee that the casing wall thickness of cylinder block is even; Casting liquid can form from bottom to top directional solidification and good feeding capacity, can obtain the foundry goods of dense structure, improve the quality of products.
According to the embodiment of the invention, provide a kind of cylinder block casting method.As shown in Figure 5, present embodiment comprises:
Step 501: the core group of cylinder block casting is set, and places the cylinder block casting mold.Particularly, form the core group of cylinder block casting earlier with core, with lock core screw rod locking core group, then the core group is placed in the cylinder block casting mold again, form cylinder block casting device;
Wherein, the cylinder hole core of cylinder block casting vertically is provided with;
Step 502: inject casting liquid in cylinder block casting device, casting liquid is flowed through after sprue 2, cross gate 3 and the ingate 4 successively, flows into die cavity.Particularly, during casting, with the cylinder block cylinder end face 5 of cylinder block casting down, cylinder block under-chassis face 1 lies in a horizontal plane in the cylinder block casting mold up; Casting liquid injects cylinder block casting device by casting gate, flow through successively sprue 2 and cross gate 3, and ten ingates on cylinder block under-chassis face 4 flow into the die cavity of cylinder block castings respectively again;
Wherein, cross gate 3 is constituent elements of cross-sectional area maximum in the cylinder block casting;
Step 503: finish the casting of cylinder block.
In the present embodiment, the cylinder block casting mold can be made by green-sand.
In the present embodiment, in the cylinder block casting device that in cylinder block casting technology, uses, the cylinder block under-chassis face 1 of cylinder block casting up, cylinder block cylinder end face 5 down, lie in a horizontal plane in the cylinder block casting mold; The casting gate of cylinder block casting, sprue 2, cross gate 3 and ingate 4 all are located at the top of cylinder block under-chassis face, sprue 2 and cross gate 3 vertical communicating, cross gate 3 and ingate 4 vertical communicating, ingate 4 and cylinder block under-chassis face 1 vertical communicating.
The cylinder block casting method of present embodiment, earlier make cylinder block casting with core, and with the cylinder block under-chassis of cylinder block casting face up, cylinder block cylinder end face lies in a horizontal plane in the cylinder block casting mold down, inject casting liquid from casting gate again, casting liquid is flowed through behind sprue, cross gate, the ingate successively, enter die cavity, finish the casting of cylinder block.In the present embodiment, owing to use the cylinder block casting device of the embodiment of the invention, thereby can realize that exhaust, pushing off the slag are effective, yield rate height, blank are not fragile, and wall thickness is even, and the product quality height.
In sum, various embodiments of the present invention, owing to the cylinder block under-chassis with cylinder block casting faces up, cylinder block cylinder end face is placed down, and casting gate, sprue, cross gate and ingate are located at the top of cylinder block under-chassis face, die cavity is located at the below of cylinder block under-chassis face, after casting liquid injects from casting gate, flow through successively and flow into die cavity again behind sprue, cross gate and the ingate, can reach exhaust, pushing off the slag is effective, the yield rate height, blank is not fragile, and wall thickness is even, and the high technique effect of product quality.
It should be noted that at last: the above only is the preferred embodiments of the present invention, be not limited to the present invention, although the present invention is had been described in detail with reference to previous embodiment, for a person skilled in the art, it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. cylinder block casting device, comprise cylinder block casting mold and cylinder block casting, described cylinder block casting comprises casting gate, sprue, cross gate, ingate and die cavity, it is characterized in that the cylinder block cylinder end face of described cylinder block casting down, the cylinder block under-chassis faces up and lie in a horizontal plane in the described cylinder block casting mold.
2. cylinder block casting device according to claim 1, it is characterized in that, described casting gate is located on the described sprue, described sprue vertically is located at the top of described cylinder block under-chassis face, described cross gate level is located between described sprue and the described ingate, and described ingate vertically is located between described cross gate and the described cylinder block under-chassis face.
3. cylinder block casting device according to claim 2 is characterized in that, described sprue communicates with described cross gate is vertical.
4. cylinder block casting device according to claim 2 is characterized in that, described cross gate communicates with described ingate is vertical.
5. cylinder block casting device according to claim 2 is characterized in that, described ingate and vertical the communicating of described cylinder block under-chassis face.
6. according to each described cylinder block casting device among the claim 2-5, it is characterized in that the quantity of described sprue is one, the quantity of described cross gate is two, and the quantity of described ingate is ten; Wherein, described two cross gates are parallel to each other; Described ten ingates are parallel to each other, and are divided into two groups and are located at respectively between described two cross gates and the described cylinder block under-chassis face.
7. cylinder block casting device according to claim 1 is characterized in that, the external structure of described cylinder block casting and inner die cavity form by the core group, and described core group is by the locking of lock core screw rod and be arranged in described cylinder block casting mold.
8. cylinder block casting method, it is characterized in that, use the cylinder block casting device described in the aforesaid right requirement, the casting gate of liquid from cylinder block casting injects described cylinder block casting device with casting, casting liquid flow through successively sprue, cross gate and ingate, flow into the die cavity of cylinder block casting again, finish the casting of cylinder block.
9. cylinder block casting method according to claim 8 is characterized in that, before the casting, the core group that constitutes described cylinder block casting is set earlier, with the lock core screw rod described core group is locked again, then described core group is placed in the described cylinder block casting mold; Wherein, the cylinder hole core of described cylinder block casting vertically is provided with, and described cylinder block casting mold is made by green-sand.
10. cylinder block casting method according to claim 8 is characterized in that, the cylinder block cylinder end face of described cylinder block casting down, the cylinder block under-chassis faces up and be placed in the described cylinder block casting mold.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810073916A CN101733363A (en) | 2008-11-12 | 2008-11-12 | Cylinder block casting device and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810073916A CN101733363A (en) | 2008-11-12 | 2008-11-12 | Cylinder block casting device and method |
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| CN101733363A true CN101733363A (en) | 2010-06-16 |
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| CN200810073916A Pending CN101733363A (en) | 2008-11-12 | 2008-11-12 | Cylinder block casting device and method |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102699282A (en) * | 2012-05-15 | 2012-10-03 | 日月重工股份有限公司 | Casting method of large-scale high pressure resisting multi-cylinder-block cast |
| CN102873278A (en) * | 2012-10-10 | 2013-01-16 | 四川省祥业机械铸造有限公司 | Composite casting system of crank shaft box |
| CN103008541A (en) * | 2012-12-31 | 2013-04-03 | 东风汽车股份有限公司 | Casting mould for preventing molten iron from flowing backwards |
| CN103121082A (en) * | 2013-01-24 | 2013-05-29 | 宁波亿泰来模具有限公司 | V8 type gray cast iron cylinder body casting pouring method |
| CN103736931A (en) * | 2014-01-29 | 2014-04-23 | 广西玉柴机器股份有限公司 | Casting mould of engine body of large in-line diesel engine |
| CN107363223A (en) * | 2017-07-28 | 2017-11-21 | 芜湖永达科技有限公司 | The unilateral bottom gating system and its casting method of a kind of aluminum alloy cylinder cover |
| CN107598085A (en) * | 2017-08-28 | 2018-01-19 | 芜湖泓鹄材料技术有限公司 | The manufacture method of iron base plate |
| JP2020505232A (en) * | 2017-01-17 | 2020-02-20 | ネマク エス エイ ビー デ シー ヴィＮｅｍａｋ， Ｓ．Ａ．Ｂ． ｄｅ Ｃ．Ｖ． | Mold for casting complex shaped casting and method of using the mold |
| CN111774537A (en) * | 2020-06-24 | 2020-10-16 | 四川南部宏昊铸造有限公司 | Thin-wall complex cylinder body type iron casting shell mold pouring system and casting process |
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2008
- 2008-11-12 CN CN200810073916A patent/CN101733363A/en active Pending
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102699282A (en) * | 2012-05-15 | 2012-10-03 | 日月重工股份有限公司 | Casting method of large-scale high pressure resisting multi-cylinder-block cast |
| CN102873278A (en) * | 2012-10-10 | 2013-01-16 | 四川省祥业机械铸造有限公司 | Composite casting system of crank shaft box |
| CN102873278B (en) * | 2012-10-10 | 2014-07-16 | 四川省祥业机械铸造有限公司 | Composite casting system of crank shaft box |
| CN103008541A (en) * | 2012-12-31 | 2013-04-03 | 东风汽车股份有限公司 | Casting mould for preventing molten iron from flowing backwards |
| CN103121082A (en) * | 2013-01-24 | 2013-05-29 | 宁波亿泰来模具有限公司 | V8 type gray cast iron cylinder body casting pouring method |
| CN103121082B (en) * | 2013-01-24 | 2015-04-08 | 宁波亿泰来模具有限公司 | V8 type gray cast iron cylinder body casting pouring method |
| CN103736931A (en) * | 2014-01-29 | 2014-04-23 | 广西玉柴机器股份有限公司 | Casting mould of engine body of large in-line diesel engine |
| JP2020505232A (en) * | 2017-01-17 | 2020-02-20 | ネマク エス エイ ビー デ シー ヴィＮｅｍａｋ， Ｓ．Ａ．Ｂ． ｄｅ Ｃ．Ｖ． | Mold for casting complex shaped casting and method of using the mold |
| US11014144B2 (en) | 2017-01-17 | 2021-05-25 | Nemak, S.A.B. De C.V. | Casting mould for casting complex-shaped castings and use of such a casting mould |
| CN107363223A (en) * | 2017-07-28 | 2017-11-21 | 芜湖永达科技有限公司 | The unilateral bottom gating system and its casting method of a kind of aluminum alloy cylinder cover |
| CN107598085A (en) * | 2017-08-28 | 2018-01-19 | 芜湖泓鹄材料技术有限公司 | The manufacture method of iron base plate |
| CN111774537A (en) * | 2020-06-24 | 2020-10-16 | 四川南部宏昊铸造有限公司 | Thin-wall complex cylinder body type iron casting shell mold pouring system and casting process |
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Application publication date: 20100616 |